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Continue to ChatIntratechal fentanyl added to hyperbaric ropivacain for urologic surgery - https://avesis.akdeniz.edu.tr/yayin/1a76a8c9-62fd-4de2-a416-4fba99f9b986/intratechal-fentanyl-added-to-hyperbaric-ropivacain-for-urologic-surgery